Legs. Right leg 5 uniramous; exopod shorter or longer than left exopod, 1-2-segmented, form depends on the genus. Left leg 5 uniramous; exopod 2-segmented, segment 1 with outer distal spine, segment 2 with several spines on outer border and terminally, these 2 segments may be prehensile, opposed to a medium to long inner curved extension of the basis.